code: def __str__(self) -> str:
      rows = ["Attributes"]
      for name in self._names:
          rows.append(f"  {name}={getattr(self, name)}")
      return "\n".join(rows)
  
file_path: onnx/onnx/reference/ops/aionnxml/op_svm_helper.py
imports: from typing import Any
  import numpy
label_desc: Use image node_id 3 for calling the SVMAttributes obj's underlying member method code with example usage: obj.__str__() and returns: str